uncertificated 3rd mate
| Name | Tanker | Period | Details |
|---|---|---|---|
| Alan Hoare | Tanea (1) | 1969 | |
| Tony Mason | Fragum (2) | 1956 to 1957 | |
| Rodger Laycock | Dorcasia (1) | 1959 | |
| Bill Grant | Fragum (2) | 1955 | |
| Robert T. Dunbar | Hydatina | 1971 to 1972 | |
| Peter M Morgan | Vertagus | 1972 | |
| Peter M Morgan | Hydatina | 1971 | |
| Peter M Morgan | Helisoma | 1971 | |
| Roy Robertson | Zaphon (1) | 1973 | |
| Mike Hapgood 2 | Alinda | 1978 to 1979 | |
| Terence John Hunter | Axina | 1969 to 1970 | |
| Alan Knight | Donovania (2) | 1969 to 1970 | |
| Peter Thomas | Amoria (1) | 1971 |